197 lines
3.6 KiB
C++
197 lines
3.6 KiB
C++
/*=========================================================================
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pcart.cpp
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Author: CRB
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Created:
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Project: Spongebob
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Purpose:
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Copyright (c) 2001 Climax Development Ltd
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===========================================================================*/
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#ifndef __PLATFORM_PCART_H__
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#include "platform\pcart.h"
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#endif
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#ifndef __GAME_GAME_H__
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#include "game\game.h"
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#endif
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#ifndef __UTILS_HEADER__
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#include "utils\utils.h"
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#endif
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#ifndef __VID_HEADER_
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#include "system\vid.h"
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#endif
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcCartPlatform::postInit()
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{
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CNpcPlatform::postInit();
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m_npcPath.setPathType( CNpcPath::SINGLE_USE_PATH );
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m_carSpeed = m_speed << 8;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcCartPlatform::processMovement( int _frames )
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{
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s32 fallSpeed = 2;
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s8 yMovement = fallSpeed * _frames;
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s32 distX, distY, heading;
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s32 groundHeight;
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s32 moveX = 0;
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s32 moveY = 0;
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bool pathComplete;
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m_npcPath.thinkFlat( Pos, &pathComplete, &distX, &distY, &heading );
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if ( !pathComplete )
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{
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moveX = ( m_carSpeed >> 8 ) * _frames;
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if ( heading == 2048 )
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{
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moveX = -moveX;
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}
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}
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// check for vertical movement
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s32 checkDist = yMovement + 50;
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groundHeight = m_layerCollision->getHeightFromGround( Pos.vx + moveX, Pos.vy, checkDist );
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if ( groundHeight < checkDist )
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{
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// groundHeight <= yMovement indicates either just above ground or on or below ground
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moveY = groundHeight;
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}
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else
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{
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// fall
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moveY = yMovement;
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}
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if ( moveY < 0 )
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{
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m_carSpeed -= 20;
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if ( m_carSpeed < ( 2 << 8 ) )
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{
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m_carSpeed = ( 2 << 8 );
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}
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}
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else if ( moveY > 0 )
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{
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m_carSpeed += 20;
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if ( m_carSpeed > ( 6 << 8 ) )
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{
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m_carSpeed = ( 6 << 8 );
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}
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}
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Pos.vx += moveX;
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Pos.vy += moveY;
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// sort out draw rotation
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DVECTOR testPos1, testPos2;
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testPos1 = testPos2 = Pos;
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testPos1.vx -= 10;
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testPos2.vx += 10;
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u8 sensorDist = 16;
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s32 yDiff;
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yDiff = m_layerCollision->getHeightFromGround( testPos1.vx, testPos1.vy, sensorDist + 1 );
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if ( yDiff <= sensorDist )
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{
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// only use if there is ground present
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testPos1.vy += yDiff;
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}
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yDiff = m_layerCollision->getHeightFromGround( testPos2.vx, testPos2.vy, sensorDist + 1 );
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if ( yDiff <= sensorDist )
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{
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// only use if there is ground present
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testPos2.vy += yDiff;
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}
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s32 xDist = testPos2.vx - testPos1.vx;
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s32 yDist = testPos2.vy - testPos1.vy;
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heading = ratan2( yDist, xDist );
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setCollisionAngle( heading );
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void CNpcCartPlatform::render()
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{
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if ( m_isActive )
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{
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CPlatformThing::render();
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if (canRender())
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{
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DVECTOR &renderPos=getRenderPos();
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SVECTOR rotation;
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rotation.vx = 0;
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rotation.vy = 0;
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rotation.vz = getCollisionAngle();
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VECTOR scale;
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scale.vx = ONE;
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scale.vy = ONE;
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scale.vz = ONE;
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m_modelGfx->Render(renderPos,&rotation,&scale);
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#if defined (__USER_paul__) || defined (__USER_charles__)
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DVECTOR size;
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DVECTOR centre;
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int halfLength;
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int x1,y1,x2,y2;
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centre=getCollisionCentre();
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size=getCollisionSize();
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halfLength=size.vx>>1;
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x1=-halfLength*mcos(getCollisionAngle()&4095)>>12;
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y1=-halfLength*msin(getCollisionAngle()&4095)>>12;
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x2=+halfLength*mcos(getCollisionAngle()&4095)>>12;
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y2=+halfLength*msin(getCollisionAngle()&4095)>>12;
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centre.vx-=offset.vx;
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centre.vy-=offset.vy;
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x1+=centre.vx;
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y1+=centre.vy;
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x2+=centre.vx;
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y2+=centre.vy;
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DrawLine(x1,y1,x2,y2,0,255,0,0);
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#endif
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}
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}
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}
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